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CMakeLists.txt
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#
# Copyright (c) 2022-2023 Project CHIP Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
#
# @file
# CMake sub-project defining 'chip' target which represents CHIP library
# Since CHIP doesn't provide native CMake support, ExternalProject
# module is used to build the required artifacts with GN meta-build
# system. It is assumed that find_package(Zephyr) has been called before
# including this file.
#
if (CONFIG_CHIP)
include(ExternalProject)
include(../zephyr-util.cmake)
#
# ==============================================================================
# Prepare CHIP configuration based on the project Kconfig configuration
# ==============================================================================
# Set paths
if (NOT CHIP_ROOT)
get_filename_component(CHIP_ROOT ${CMAKE_CURRENT_SOURCE_DIR}/../../.. REALPATH)
endif()
get_filename_component(GN_ROOT_TARGET ${CHIP_ROOT}/config/zephyr/chip-gn REALPATH)
get_filename_component(COMMON_CMAKE_SOURCE_DIR ${CHIP_ROOT}/config/common/cmake REALPATH)
# Get common Cmake sources
include(${COMMON_CMAKE_SOURCE_DIR}/chip_gn_args.cmake)
include(${COMMON_CMAKE_SOURCE_DIR}/chip_gn.cmake)
if (CONFIG_POSIX_API)
matter_add_flags(-D_DEFAULT_SOURCE)
matter_add_flags(-isystem${ZEPHYR_BASE}/include/zephyr/posix)
endif()
if(CONFIG_MBEDTLS)
zephyr_include_directories($<TARGET_PROPERTY:mbedTLS,INTERFACE_INCLUDE_DIRECTORIES>)
zephyr_compile_definitions($<TARGET_PROPERTY:mbedTLS,INTERFACE_COMPILE_DEFINITIONS>)
endif()
zephyr_get_compile_flags(ZEPHYR_CFLAGS_C C)
matter_add_cflags("${ZEPHYR_CFLAGS_C}")
zephyr_get_compile_flags(ZEPHYR_CFLAGS_CC CXX)
matter_add_cxxflags("${ZEPHYR_CFLAGS_CC}")
zephyr_get_gnu_cpp_standard(ZEPHYR_GNU_CPP_STD)
matter_add_cxxflags("${ZEPHYR_GNU_CPP_STD}")
# Set up custom OpenThread configuration
if (CONFIG_CHIP_OPENTHREAD_CONFIG)
get_filename_component(CHIP_OPENTHREAD_CONFIG
${CONFIG_CHIP_OPENTHREAD_CONFIG}
REALPATH
BASE_DIR ${CMAKE_SOURCE_DIR}
)
zephyr_set_openthread_config(${CHIP_OPENTHREAD_CONFIG})
endif()
# ==============================================================================
# Generate configuration for CHIP GN build system
# ==============================================================================
matter_common_gn_args(
DEBUG CONFIG_DEBUG
LIB_SHELL CONFIG_CHIP_LIB_SHELL
LIB_TESTS CONFIG_CHIP_BUILD_TESTS
PROJECT_CONFIG ${CONFIG_CHIP_PROJECT_CONFIG}
)
matter_add_gn_arg_string("zephyr_ar" ${CMAKE_AR})
matter_add_gn_arg_string("zephyr_cc" ${CMAKE_C_COMPILER})
matter_add_gn_arg_string("zephyr_cxx" ${CMAKE_CXX_COMPILER})
matter_add_gn_arg_bool ("chip_logging" CONFIG_LOG)
matter_add_gn_arg_bool ("chip_error_logging" CONFIG_MATTER_LOG_LEVEL GREATER_EQUAL 1)
matter_add_gn_arg_bool ("chip_progress_logging" CONFIG_MATTER_LOG_LEVEL GREATER_EQUAL 3)
matter_add_gn_arg_bool ("chip_detail_logging" CONFIG_MATTER_LOG_LEVEL GREATER_EQUAL 4)
matter_add_gn_arg_bool ("chip_automation_logging" FALSE)
matter_add_gn_arg_bool ("chip_enable_openthread" CONFIG_NET_L2_OPENTHREAD)
matter_add_gn_arg_bool ("chip_openthread_ftd" CONFIG_OPENTHREAD_FTD)
matter_add_gn_arg_bool ("chip_inet_config_enable_ipv4" CONFIG_CHIP_IPV4)
matter_add_gn_arg_bool ("chip_enable_wifi" CONFIG_WIFI)
matter_add_gn_arg_bool ("chip_config_network_layer_ble" CONFIG_BT)
matter_add_gn_arg_bool ("chip_mdns_minimal" CONFIG_WIFI)
matter_add_gn_arg_bool ("chip_mdns_minimal" CONFIG_NET_L2_ETHERNET)
matter_add_gn_arg_bool ("chip_mdns_platform" CONFIG_NET_L2_OPENTHREAD)
matter_add_gn_arg_bool ("chip_inet_config_enable_tcp_endpoint" CONFIG_CHIP_BUILD_TESTS)
matter_add_gn_arg_bool ("chip_inet_config_enable_udp_endpoint" CONFIG_NET_UDP)
matter_add_gn_arg_bool ("chip_inet_config_enable_tcp_endpoint" CONFIG_NET_TCP)
matter_add_gn_arg_bool ("chip_malloc_sys_heap" CONFIG_CHIP_MALLOC_SYS_HEAP)
if (CONFIG_CHIP_ENABLE_DNSSD_SRP)
matter_add_gn_arg_string("chip_mdns" "platform")
endif()
if(CONFIG_WIFI)
matter_add_gn_arg_string("chip_mdns" "minimal")
elseif (CONFIG_NET_L2_ETHERNET)
matter_add_gn_arg_string("chip_mdns" "minimal")
elseif (CONFIG_NET_L2_OPENTHREAD)
matter_add_gn_arg_string("chip_mdns" "platform")
else()
matter_add_gn_arg_string("chip_mdns" "none")
endif()
if (CONFIG_CHIP_PW_RPC)
set(PIGWEED_DIR "//third_party/pigweed/repo")
matter_add_gn_arg_string("pw_assert_BACKEND" ${PIGWEED_DIR}/pw_assert_log:check_backend)
matter_add_gn_arg_string("pw_log_BACKEND" ${PIGWEED_DIR}/pw_log_basic)
matter_add_gn_arg("pw_build_LINK_DEPS" [\"${PIGWEED_DIR}/pw_assert:impl\",\ \"${PIGWEED_DIR}/pw_log:impl\"])
endif()
matter_generate_args_tmp_file()
# ==============================================================================
# Build chip library
# ==============================================================================
matter_build(chip
LIB_SHELL ${CONFIG_CHIP_LIB_SHELL}
LIB_TESTS ${CONFIG_CHIP_BUILD_TESTS}
GN_DEPENDENCIES kernel
)
set_property(GLOBAL APPEND PROPERTY ZEPHYR_INTERFACE_LIBS chip)
endif() # CONFIG_CHIP